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Патент USA US2124188

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July 19, l938„
c. R. DALE
FLUID` DUMPING APPARATUS
Filed Junel 1, 1937
`
A2,124,188
kPatented July 19,- 1938 _ ‘
e ,2,124,188
~’UNITE-.u STATE-s2,124,1ssPATENT „o1-‘Fics
FLUID Dumme APPARATUS
Clarence R. Dale, Los Angeles, Calif., assignor to.
Dale Service Corporation, Culver City,` Calif.,
a corporation of `California;
,
_
' Application June 1, 1937, Serial ,'No. 145,778
17 Claims. (Cl. 16S-19)
This invention has todo with improvements in ` elongated tubular section Il connectedatits upper
- apparatus for dumping iluids within wells, such - end by coupling I5 with a cable I6, or any other
suitable suspension means.
devices comprising, generally speakin'g, a bodyI
or container forthe fluid having a normally
5 closed outlet, and means for opening the outlet
-to dump the -fluid charge by movement of the ap
paratus when lowered to the proper depth in the
well. The present apparatus may be more -par
ticularly characterized as being ofthe type in
ldwhich the ñuid outlet is controlled by _a valve
and the valve'is voperated by virtue of relative
Y -movement of ` certain parts upon
movement of the body. '
lfluid in the place desired, and te avoid accidental
release of the `iluid charge before that place is
reached. It will be understood of course that the
20 present apparatus may be used for handling va
rious iiuids, although it is particularly suitable
for dumping and distributing liquid mud within
the well. Other objects of the invention pertain .
`to various features of construction that are re
25 sponsible for the improved operative and struc
tural advantages of the apparatus.
end of body section I4 is connected by coupling I3
with a lower tubular section 20 having a counter
‘bore2l receiving telescopically the upper end of -mandrel II., as will later appear. If desired, a
plate 22 having'4 a somewhat restricted oriñce 23 10
may be retained within the upper end of section
20 by coupling I9, for the purpose of restricting,
¿vherli‘lthe valve is open, the ñuid ilow from cham
withdrawal
Among the general objects of the invention is
l5 to provide a iiuid» dumping apparatus capable of
accurate control and positive operation to deposit
’
,
'
All these objects and advantages of the inven
tion can best bel explained without necessity for
The iiuid contain- n
ing chamber I'I within the body is vented through opening I8 ‘ in the suspension coupling IE. The 5
er
`
.
l
„
~
'I'he lower mandrel section II of the apparatus 15
comprises an elongated tube 24 whose upper end is '
received within counterbore 2l of the body. The
body and mandrel have capacity for relative 1on
gitudinal movement within the limits of en
gagement of the mandrel carried pins 25, see Fig. 20
4, with the ends> of elongated body slots 26. Suit- '
able means may be provided on the mandrel for
frictionally or yieldably engaging the casing or
an abutment therein, such as the upper end of a
liner 28, to arrest downward movement of vthe 25'
mandrel for the purpose of releasing the locking
device I3.. As typical, I show such means to
comprise an assembly of outwardly bowed re
further preliminary discussion, from the following
silient members29 having noduled projections
typical and illustrative forms. Throughout the
apparatus is being lowered within the casing 21,
30 detailed description of the invention in one of its , 23a and attached at their upper and lower ends 30
by screws 30 to flanged sleeves 3| and 32. As the '
. description reference is had to the accompanying
'the spring bow and sleeve assembly is supported
drawing in which:
- Fig. 1 is a view mainly in elevation, showingV by bearing ring 33 and a 4sleeve nut 34 threaded
the lower end of the mandrel. Sleeves 3l and 35
35 the lower portion of the apparatus dropped into on
32 are rotatable and slidable longitudinally with
engagement with a casing liner;
Fig. 2 is an upper continuation of that portion ` relation to the mandrel, vto permit the body and
assembly to at all times remain in nor
of the apparatus shown in Fig. 1, certain of the mandrel
mal position independently of the spring bows,
parts being shown in section and the well casing
.40 being omitted from the view;
Fig. 3 is a fragmentary view showing the valve
and lock parts in released positions; and
.
Fig. 4 is a fragmentary section ltaken in the
aspect of line 4-4 of Fig. ,3, showing a modiiied
45 -f_orm of the invention.
thereby preventing the cable from winding up, 40 i
and to permit the mandrel to be lowered relative
to the spring bows to valve releasing position.
The valve assembly I2 comprises a tubular
member 35 threaded or otherwise retained within
the lower body section 20 directly above counter- 45
’ ~
'
~
The apparatus may be Vdescribed generally as _bore 2|. The lower portion of member 33 has
'comprising an upper hollow body section I0, a a bore 36 that may be vregarded as the iiuid out
lower or mandrel section II, and valve means I2 let. Normally the'outlet is closed by a ball valve
' normally closing the fluid discharge outlet of 3'Ik supported on the upper end of mandrel 2l, the
,' >5|) the body. 'I'he valve I2 is releasably held in ‘ valve having just slightly'smaller diameter than 56
closed position Iby a locking device, generally the outlet bore '36 and being suñlciently elevated
indicated at I3, which is releasable by relative -within the outlet to~close the latter. During the
, i longitudinal movement between ~the bodyy and `lock releasing operation, the body moves down-‘ mandrel to permit the valve to open. Referring> 1 ward a short distance relative to the mandrel>
55 particularly to Fig. 2, the body III comprlsesan from the position of Fig. 2, as permitted by .thel 55
2
2,124,1ss
normal spacing 'at 38 between the upper end of
the mandrel and shoulder 39, and the upward
displaceability of the valve 31 within bore 36.
Preferably the body and mandrel will have a
telescopic sliding ñt within bore 2|.
'I'he locking device I3 that releasably holds the
valve in closed position, comprises a pair of latch
elements in the form of spring fingers 4| at
tached at their upper ends by screws 42 to the
10
lower surfaceof the body. In the position 0!,Flg.
2, the lower hooked ends 4|a` of the spring ilngers
If it is desired to conilne the entire fluid discharge
to the lower end o1' the mandrel, slots 26 may be
closed in any suitable manner, as by means of
plates 53 illustrated in Fig.> 4. When used for
dumping liquid mud into the well, distribution of
the mud throughout a, considerable length -of the
well bore may be made by continuing to elevate
the apparatus while the mud is being dumped. «
As previously mentionedfextended distribution of
the~ mud may be facilitated by _restricting the dis
charge from the ñuid chamber I1 as by means
engage the mandrel Within an annular recess 43 . of the oriilce plate 22.
formed in the lower` end of a 'collar 44 -held in
fixed position on.. the mandrel. When released
15
from collar 44, the resiliency of the spring fingers
4| causes them to spring outwardly to released
positions as indicated in Fig. 3. A’coil spring 45
Finally it may be mentioned that the appa
ratus may be used as a “bottom dump” bailer as
Well as` one operating to- discharge the fluid at v15
some intermediate point in the well casing or
bore. By lowering the apparatus, 'either with or
encircling the mandrel between the lower end of ’
without the spring bows 29 mounted thereon, un
the body and collar 44 acts to thrust the mandrel til
the lower end of the mandrel || bottoms on
20 downward to keep the spring ñngers 4| in lock
the
hole, the lock |3 may be released by slightl 20
ing engagement with the mandrel collar. 'I‘he continued
downward movement of the body, and
purpose of spring 45- primarily is to keep the the fluid charge
dumped by then elevating the
parts so engaged before the apparatus is loaded apparatus, all in the manner previously ex
with fluid. After chamber I1 is illled, the fluid plained.
f
`
load transmitted by way of the valve 31 to the
I claim:
_
25
mandrel, keeps collar 44 pressed downward into
1. In an apparatus for dumping ñuid within
retained engagement with the hooked ends of the wells, a tubular body having a downwardly open
spring ñngers.
`
.
f
~
ing fluid outlet, an elongated tubular member ex
In operation, the body chamber Il is loaded tending below and movable vertically with lrela
30 with fluid and the apparatus is lowered into the
tion to said body, said member having a discharge
well. Assuming the casing to contain a liner opening at its lower. end, means carried by said 30
for arresting downward movement of the man
member above said discharge opening for fric
drel, the apparatus is lowered until the spring tionally engaging a liner within the well, a valve
bows 28 come into engagement with the upper normally closing said outlet, and valve control
35 end of the liner 28. . Upon continued lowering of
mechanism whereby relative vertical movement
vthe apparatus, collar 41 secured to the mandrel between said body and member opens said valve
comes into engagement with sleevel 3| to arrest
further downward movement of the mandrel.
Upon continued lowering of the body through
40 the short distance required to withdraw the.
hooked ends 4|a of thev spring ilngers from. with#
in recess 43, the lingers spring outwardly to the
positions of Fig. 3, releasing the body for upward
movement relative to the mandrel. By now rais
ing the body, the outlet 36 _is opened by upward
movement from the valve, and as the body con
tinues to move` upwardly, yoke- 48 comes into en-sagement _with ’the head 4s l0f a rod or bolt so
attached to the valve, to raise the latter from
50 seating position on the upper end o1' the mandrel.
and causes fluid to be discharged from said outlet
downwardly through the bore of said tubular
member.
` 2; In anapparatus for dumping ñuid within
wells, a tubular body 'having a downwardly open
ing ñuid outlet, an elongated tubular member ex
tending below and movable vertically with rela
tionto said body, said memberhaving a discharge
opening at its lower end, means rotatably mount 45
ed on said member above said discharge opening
for frictionally engaging a liner within the well,
a valve normally closing said outlet, and valve
control mechanism whereby relative » vertical
between said body and member opens 50
Thereupon, the fluid is discharged from chamber .movement
said valve and causes iluld to be discharged from
I1 downwardly from the outlet 36 into the man
outlet downwardly through the bore of said
-drel bore 5|, and ilnally out of _the lower end o! said
tubular member. ~
,the mandrel into the well.
3.In
an
apparatus
for dumping iluid within'I'he present apparatus has the advantage of well pipe, a tubular body
having a downwardly
. enabling a body of cementto be deposited on a
opening‘iluid outlet, a depending tubular mem
Surface within the well, for example on top' of a ber
extending upwardly Within and movable ver
previously placed quantity of cement, without tically
Íwith relation to the lower end of -said
permitting objectionable dilution of the cement
60
charge with well .ñuid while the charge is being
dumped. «By reason of the spring elements 29
being mounted above the lower end of the tubular
member 24, its discharge outlet 5| at the lower
end may be brought immediately above the sur
.V ‘face upon which the cement is to be placed.
Then, after the valve is opened, the apparatus
body,- a valve normally supported by said tubular
member vto close said outlet, valve control mecha
nism whereby lupward movement of said body
-relative to said member opens the valve and
causes ñuid to be discharged from said outlet
.downwardly through theA bore of said tubular
member, and' means carried by said member for 65
frictionally engaging the well pipe.
may be raised substantially at a rate correspond
4. In an apparatus for dumping fluid within
ing to the rate at which the level _of the deposited - well pipe, a tubular body having a downwardly '
cement rises within the'weil, so that- at no time . opening iluid outlet, a, depending tubular mem
will the’ cement during its discharge be required ber extending upwardly within and ...ovable _ver
- to settle through well fluid ina manner that tically with relation to the lower end of said 70
would cause excessive dilution of the cement. '
body, a ball valve normally closing said outlet
Some‘of the fluid may flow outwardly through and supported 'ón the upper end of said tubular
» the upper portions of slots'26 extending above the .
valve control mechanism' whereby up
mandrel in the open ~position of the valve parts. member,
ward movement .of said body relative to said 76
_
. 2,124,188
3
member opens the valve 'and causes iluid to be
discharged from said outlet .downwardly through>
member to close said outlet,` and means whereby
relative vertical movement -between said body
the bore of said tubular member, and means car
to be discharged from said outlet downwardly
through the bore of said tubular member, said
ried by said member for friotionally engaging the
well pipe.
-
.
`
5. -In an apparatus` for dumping fluid within
wells, a tubular body lhaving a downwardly open
and member opens said valve and causes iluid
second mentioned means including a spring tend
ing to -move said tubular member downwardly
ing iluid outlet, an elongated tubular member» with relation 'to the body, and releasable lock- '
ing means normally holding said member against
extending below and movable vertically with re
>such movement, said locking means being releas
'10 . lation to said body, means carried by’said mem
ber for frictionally engaging a liner within the
able by downward movement of the-'body rela- _
well, a valve‘normally closing said outlet, and
tive to said member.
»
10. In an apparatus for dumping iluid within
tween said body and member opens said valvev weils, a tubular body having a downwardly open
ing iluid outlet, an elongated tubular member 15
15.' and causes fluid to be discharged from said out
means whereby relative vertical movement be
let downwardlythrough the bore of said tubular
member, said second mentioned means including
5 locking means normally holding said body against
upward movementrelative to said member.
i
6. In an apparatus ier dumping iluid within
20
wells, a tubular body having a downwardly open
extending below and movable vertically with re- _`
lation to said body, means carried by said mem
ber for frictionally engaging a liner within the
well, a ball valve normally closing said outlet and ’
supported on the upper end of said vtubular »mem
ber, and means whereby relative- vertical ‘move’
ing iiuid outlet, an elongated tubular member ex
ment between said~ body and member opens said
tending below and movable vertically with rela
tion to _said body, means carried by said member-
outlet downwardly through the bore o! said tubu- _
25 for irictionally engagingl a liner within the well
' a valve normally closing said outlet, and means
whereby relative vertical movement between said
body and member opens said valve and causes
iluld to be discharged from said outlet down
valve and causes fluid to be discharged from said
lar member, said second mentioned means in
cluding locking means normally holding said
body against upward movement- relative to said ‘
member.
l
. 11. In an apparatus for dumping fluid within
wells, a tubular body having a downwardly open
ber, said second mentioned means including a .ing iluid outlet, an elongated tubular member
spring tending to-- move said tubular member extendingv below and movable vertically with re
downwardly with relation to the body, and re ' lation to said body, means carried by said mem
leasable locking means normally holding said ber for frictionally engaging a liner within the
well, a ball valve normally closing said outlet
member against such movement.
’
7. Inl an apparatus for dumping iiuid within 1 and supported on the upper end of said tubular
wells, a tubular body having -a downwardly open- . member, and- means whereby relative kvertical
ing fluid outlet, an elongated ltubular member movement between said body and member opens
said valve and causes iluid to be‘discharged irom
extending below and movable -vertically with re
lation to said body, means carried by said mem _ said outlet downwardly through the bore of said
ber for frictionally' engaging .a liner within the -tubular member, said second mentioned means
well, a valve normally closing said outlet, and including a spring tending to move said tubular
means whereby relative vertical movement be-' member downwardly with relation to the` body,
tween said body and 4member opens said valve and releasable locking means' normally holding
said member against such movement, said lock
and causes duid to be discharged-from said out
wardly through the bore lof said tubular'mem
let `downwardly throughthe bore of said tubular , ing means being releasable by downward move
member, said second mentioned means including ment o! the body relative to said member.
1 a spring tending to move said tubular member
downwardly with relation to the-body, and re
leasable locking means normally holding said
member against such movement, said locking
55
30
40
45
12. In an apparatus for dumping fluid within
wells, a tubular body having a downwardly open
ing iluid outlet, a tubular member extending 50
means being releasable by downward movement
of the body relative to said'member.
8. In an apparatus for dumping fluid within
below said body, a valve normally supported by
said member and normally closing- said outlet
and the bore of said member, said member being
downwardly‘rnovablë with relation ,to said body
ing fluid outlet, an elongated tubular member
means limiting the opening movement- of the
wells, a tubular body _having a downwardly open- . to cause the valve to open downwardly, and
extending below and movable vertically with re- ‘ valve relative to the body whereby fluid dis-- '»
`lation to said body, means carried by said mem ~ charged from the outlet passes downwardly past.
ber for frletionally engaging a liner within the ‘the valve into the bore'of said tubular member. _
60
well, a valve normally supported by said tubular
l 13.` In an apparatus for dumping iluid within 60
member tov close said outlet, and means_whereq
wells, a tubular body having a downwardly open
and member opens said valve and causes duid to
below said body, a ball valve normally seating _
by relative vertical movement between said body ving fluid outlet, a tubular _member extending
be` discharged from said outlet downwardly ' upon the upper end of said member and closing
~said outlet,.said member being downwardly mov
65 through the bore of said tubular member, said ' able with relation to said body to cause the valve 65
_second mentioned means including locking means
‘normally holding vsaid body against upwardv toï'open downward1y,~and means limiting the
opening. movement lof the valve relative to the
movement relative to said member.
-9. In an apparatus for dumping iluid' within- ' bodywhereby `fluid discharged from lthe outlet - - _
wells, a tubular body. having a downwardly passes downwardly into said tubular member.
70‘
70
14.1111 an apparatus for dumping ñuid within
v opening fiuid outlet, an elongated tubular mem
ber extending below and movable vertically withL wells, a tubular body Having a downwardly open
ing. duid outlet, a tubular member extending
relation to said body, means carried by -saidmem
ber for. frictionally engaging a liner within the
below said body, a. valve normally supported 'by .
well, a valve normally supported by said tubular
said member _and closing said outlet, said mem 75'
-,
4
ber being downwardly movable with relation -to
said body to cause the valve to open downwardly.
means limiting the opening 'movement of the
valve relative to the body whereby ñuid dis-l
charged from the outlet passes downwardly into
said tubular member, releasable locking means
holding said member in valve closing position,
and yielding means holding the locking means
said body to cause ‘theâvalve to open downwardly.
’ a rod attached to and extending upwardly from
said valve, and means carried by the body and
engageable by said rod to limit opening move
ment oi' the valve whereby ñuid discharged from
the outlet passes. downwardly into- said tubular
member. »
in locked condition.
Y 15. In an apparatus for _dumping fluid within
10 wells, a tubular body having 'a downwardly open
ing fluid outlet, a tubular member extending
below -:said body. a valve normally supported by
‘
ber being downwardly movable with relation to
said body to cause the valve to open downwardly, 15
means limiting theV opening movement of the
valve relative to the body whereby fluid dis
charged from the outlet
downwardly into
said tubular member, and releasable. locking
means holding said member in valve closing posi 20
tion,_ said .locking means'comprising- a shoulder
y
16. In an apparatus for dumping iluid within
on the outside oi' said member, and a resilient
wells, a tubular body having a downwardly open
ing iluid outlet, a tubular member extending
below said body, a valve normally supported by
said member and closing` said outlet, said mem
ber being downwardly movable with relation to
-
said member and closing said outlet, said mem
charged i'rom the outletvpasses downwardly into
-said tubular member, and releasable locking
20 means holding said member in valve closing
'
'
below said body, a valve normally supported by
said member and closing said outlet, said mem
ber being downwardly movable with relation to
15 said body to cause the valve to open downwardly,
means limiting the opening movement of the
_valve relative to the body whereby fluid dis
position.
»
17.-In an apparatus for dumping iiuid within
wells, a tubular body having a downwardly open 10
ing fluid outlet, a tubular member extending
locking element carried by the body and engaging
said shoulder, said element being releasable from
said shoulder by upward movement of said mem 25A
,
ber relative to the body. >
CLARENCE R. DALE.
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